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A derecho is a significant, potentially destructive weather event that is characterized as having widespread, long-lived, straight-line winds associated with a fast-moving group of severe ...
A shelf cloud along the leading edge of a derecho in Minnesota A damage caused by a derecho in Barga, Italy. A derecho (/ ˈ d ɛ r ə tʃ oʊ /, from Spanish: derecho [deˈɾetʃo], 'straight') [1] is a widespread, long-lived, straight-line wind storm that is associated with a fast-moving group of severe thunderstorms known as a mesoscale ...
The derecho weakened considerably when the July 2011 Iowa-Illinois-Michigan-Ohio derecho sucked the instability and moisture from the storm over Lake Michigan. The derecho traveled more than 400 miles (640 km) and produced nine tornadoes in North Dakota and Western Minnesota. July 2011 Iowa-Illinois-Michigan-Ohio derecho: July 11, 2011 [32]
The official scientific criteria of a derecho, as described by the National Weather Service's Storm Prediction Center, pertains to a swath of wind damage that must extend either continuously or ...
The traditional criteria that distinguish a derecho from a severe thunderstorm are sustained winds of 58 miles per hour (93 km/h) during the storm as opposed to gusts, high or rapidly increasing forward speed, and geographic extent (typically 250 nautical miles (500 km; 300 mi) in length.) [10] In addition, they have a distinctive appearance on ...
FBI Director Christopher Wray revealed why he decided to resign "during such a dangerous time" and with nearly three years left to go in his term during an interview on CBS’ "60 Minutes" Sunday.
The June 2012 Mid-Atlantic and Midwest derecho was one of the deadliest and most destructive fast-moving severe thunderstorm complexes in North American history. The progressive derecho tracked across a large section of the Midwestern United States and across the central Appalachians into the mid-Atlantic states on the afternoon and evening of ...
A destructive derecho event struck the states of Iowa, Illinois, Michigan, and Ohio on July 11, 2011, and was the most damaging portion of a much larger derecho event known as The Cross Country Derecho of July 2011. It started on the morning of July 11, 2011, when a powerful long-lasting straight-line windstorm, known as a derecho, developed ...